Annual report pursuant to Section 13 and 15(d)

Shareholders' Equity - Additional Information (Detail)

Shareholders' Equity - Additional Information (Detail)													12 Months Ended
Shareholders' Equity - Additional Information (Detail)	May 10, 2019	Dec. 31, 2017 $ / shares shares	Nov. 08, 2017 USD ($) Investor $ / shares shares	Jul. 31, 2017 $ / shares shares	Jul. 25, 2017 USD ($) shares $ / shares	May 10, 2017 USD ($) Investor $ / shares shares	Feb. 09, 2017 shares	Dec. 29, 2016 USD ($)	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($) Investor $ / shares shares	Jun. 06, 2016 Installments $ / shares shares	Feb. 15, 2016 shares	Dec. 31, 2017 USD ($) $ / shares shares	Dec. 31, 2016 USD ($) $ / shares shares	Jan. 31, 2017 shares	Sep. 15, 2016	Sep. 14, 2016	Dec. 31, 2015 shares
Class of Stock [Line Items]
Number of authorized shares of all classes of our capital stock															120,000,000
Number of authorized shares of common stock		45,000,000											45,000,000	45,000,000	100,000,000
Number of accredited investors \| Investor						3
Cash received from related parties \| $														$ 250,000
Recognized compensation expense relating to restricted stock awards \| $													$ 123,200	$ 151,200
Number of authorized shares of preferred stock		50,000,000											50,000,000	20,000,000
Stock option awards													105,600	72,525
Exercise price of plan \| $ / shares													$ 3.70	$ 6.90
Shares underlying warrant outstanding				17,559
Warrants exercisable price per share \| $ / shares				$ 15.00
Warrants Outstanding		2,177,425											2,177,425
Number of stock options outstanding		260,633											260,633	162,153				147,105
Total number of outstanding common shares if all warrant and stock options were exercised		7,366,393
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Convertible into shares of common stock					1,200,000
Fixed conversion price \| $ / shares					$ 2.50
Number of authorized shares of preferred stock						12,000,000
Voting rights						No voting rights
Series A Preferred Stock [Member] \| Maximum [Member]
Class of Stock [Line Items]
Gross proceed of preferred stock \| $						$ 3,000,000
Series B Preferred Stock [Member]
Class of Stock [Line Items]
Convertible into shares of common stock			1,320,000
Fixed conversion price \| $ / shares			$ 2.50
Number of authorized shares of preferred stock			6,600,000
Voting rights			No voting rights
Convertible preferred stock, terms of conversion			Conversion of one share of Series B Preferred Stock into two shares of Common Stock.
Series C Preferred Stock [Member]
Class of Stock [Line Items]
Number of authorized shares of preferred stock			1,000
Preferred stock dividend rate			12.00%
Preferred stock stated value per share \| $ / shares		$ 33,847.9874											$ 33,847.9874
Scenario, Forecast [Member] \| Series C Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock dividend rate	20.00%
Intrexon [Member] \| Series C Preferred Stock [Member]
Class of Stock [Line Items]
Share issued			100
Intrexon [Member] \| Unsecured Non-convertible Promissory Note [Member]
Class of Stock [Line Items]
Interest rate						12.00%
Debt instrument, face amount \| $			$ 2,400,000
Debt instrument, accrued interest \| $			$ 3,400,000
Non-employee Directors [Member] \| 2012 Equity Incentive Plan [Member] \| Restricted Stock [Member]
Class of Stock [Line Items]
Restricted shares awarded to each non-employee director							4,000					4,000
Restricted shares vested for each non-employee director													4,000	4,000
Recognized compensation expense relating to restricted stock awards \| $													$ 123,200	$ 151,200
Ms. Christine L. Koski [Member] \| 2012 Equity Incentive Plan [Member] \| Restricted Stock [Member]
Class of Stock [Line Items]
Restricted shares vested for each non-employee director														2,000
Dr. Alan Joslyn [Member]
Class of Stock [Line Items]
Stock option awards											30,000
Exercise price of plan \| $ / shares											$ 5.50
Number of shares vesting in each installment											5,000
Number of vest installments \| Installments											6
Description of award terms													The Company issued, after giving effect to the reverse stock split, (i) stock options to purchase, 30,000 shares of the Company’s common stock at an exercise price equal to $5.50 per share which stock options shall vest in six installments of 5,000 shares every six months after June 6, 2016, provided that he has continued his employment with the Company through such dates, and (ii) 3,000 shares of restricted stock of the Company, vesting in two installments on the six month and twelve month anniversaries of June 6, 2016.
Dr. Alan Joslyn [Member] \| Restricted Stock [Member]
Class of Stock [Line Items]
Restricted shares awarded to each non-employee director											3,000
Number of vest installments \| Installments											2
Financial Advisory Services Agreement [Member]
Class of Stock [Line Items]
Warrants to purchase common stock, issued		48,387											48,387
Term of warrants		5 years
Warrants exercise price per share \| $ / shares		$ 3.10											$ 3.10
Preferred Stock Issued Upon Initial Closing [Member] \| Series A Preferred Stock [Member]
Class of Stock [Line Items]
Gross proceed of preferred stock \| $						$ 1,302,000
Warrants to purchase common stock, issued						462,106
Term of warrants						7 years
Non-exercisable term of warrants						6 months
Warrants exercise price per share \| $ / shares						$ 3.10
Preferred Stock Issued Upon Second Closing [Member] \| Series A Preferred Stock [Member]
Class of Stock [Line Items]
Gross proceed of preferred stock \| $					$ 1,698,000
Warrants to purchase common stock, issued					602,414
Term of warrants					7 years
Non-exercisable term of warrants					6 months
Warrants exercise price per share \| $ / shares					$ 3.10
Private Placement [Member] \| Series B Preferred Stock [Member]
Class of Stock [Line Items]
Number of accredited investors \| Investor			4
Gross proceed of preferred stock \| $			$ 3,300,000
Warrants to purchase common stock, issued			1,064,518
Private Placement [Member] \| Series A And Series B Preferred Stock [Member]
Class of Stock [Line Items]
Warrants to purchase common stock, issued		2,129,038											2,129,038
Term of warrants		7 years
Non-exercisable term of warrants		6 months
Warrants exercise price per share \| $ / shares		$ 3.10											$ 3.10
Private Placement [Member] \| KFLP [Member]
Class of Stock [Line Items]
Interest rate																6.00%	3.00%
Cash received from related parties \| $								$ 1,000,000	$ 1,000,000
Extended maturity date of notes payable														Dec. 31, 2016
Private Placement [Member] \| KFLP [Member] \| Series B Preferred Stock [Member]
Class of Stock [Line Items]
Warrants to purchase common stock, issued			241,936
Private Placement [Member] \| Common Stock [Member]
Class of Stock [Line Items]
Issuance date										Jun. 30, 2016
Shares issued										904,568
Number of accredited investors \| Investor										3
Proceeds from issuance \| $										$ 4,667,000
Shares issued price per share \| $ / shares										$ 5.159
Private Placement [Member] \| Common Stock [Member] \| KFLP [Member]
Class of Stock [Line Items]
Shares issued										581,508
Note receivable due from sale of common stock \| $										$ 2,000,000
Interest rate										3.00%						6.00%	3.00%
Cash received from related parties \| $								$ 1,000,000	$ 1,000,000
Extended maturity date of notes payable														Dec. 31, 2016
Private Placement [Member] \| Common Stock [Member] \| Intrexon [Member]
Class of Stock [Line Items]
Shares issued										226,142
Private Placement [Member] \| Common Stock [Member] \| Dr. Frederick Telling [Member]
Class of Stock [Line Items]
Shares issued										96,918
Private Placement [Member] \| Fall 17 Warrant [Member] \| Series B Preferred Stock [Member]
Class of Stock [Line Items]
Warrants to purchase common stock, issued			1,064,518
Term of warrants			7 years
Non-exercisable term of warrants			6 months
Warrants exercise price per share \| $ / shares			$ 3.10
Amendment [Member]
Class of Stock [Line Items]
Number of authorized shares of all classes of our capital stock															270,000,000
Number of authorized shares of common stock															250,000,000
Amendment Two [Member]
Class of Stock [Line Items]
Number of authorized shares of common stock		450,000,000											450,000,000